/*
 * @Author: your name
 * @Date: 2021-07-12 10:41:28
 * @LastEditTime: 2021-07-12 10:41:39
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \2021-07-09-briup\day03\3-基本数据类型.js
 */
/*
 * @Author: your name
 * @Date: 2021-07-12 09:54:23
 * @LastEditTime: 2021-07-12 10:09:34
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \小米官网\1125.html\2021-07-09-briup\day03\3-数据类型.js
 */
//Undefuned类型,就只有一个值undefined
let a;
let b = undefined;
console.log(a, b);
//Null类型 null
a = null;
console.log(a);
//String类型 ""
a = "hello";
b = '123';
let c = 'tom';
console.log(a, b, c, 'c');
//Boolean类型 true false
a = true;
b = false;
c = 'true';
console.log(a, b, c);
//Number类型
a = 123;
b = 1e10;
c = 0x123;
console.log(a, b, c);
// console let a =undefined;